504 Absolutely Essential Words For Android
504 Absolutely Essential Words eBook is divided into forty-two lessons, each containing twelve new words. Those words are first presented to you in three sample sentences; next, the new words appear in a brief story. One of the most important features of 504 Words is that each of the new words is repeated over and over again throughout this eBook so that you will have a greater chance to become familiar with it.

Magic Board is an application which helps the user to calculate simple and complicated mathematical equations. The Math Board is used as a calculator. I had created a simple, beautiful and easy to use interface. So that it can helps the ones that are using it.